3+12x-1=9x+72-7x

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Solution for 3+12x-1=9x+72-7x equation:


Simplifying
3 + 12x + -1 = 9x + 72 + -7x

Reorder the terms:
3 + -1 + 12x = 9x + 72 + -7x

Combine like terms: 3 + -1 = 2
2 + 12x = 9x + 72 + -7x

Reorder the terms:
2 + 12x = 72 + 9x + -7x

Combine like terms: 9x + -7x = 2x
2 + 12x = 72 + 2x

Solving
2 + 12x = 72 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.
2 + 12x + -2x = 72 + 2x + -2x

Combine like terms: 12x + -2x = 10x
2 + 10x = 72 + 2x + -2x

Combine like terms: 2x + -2x = 0
2 + 10x = 72 + 0
2 + 10x = 72

Add '-2' to each side of the equation.
2 + -2 + 10x = 72 + -2

Combine like terms: 2 + -2 = 0
0 + 10x = 72 + -2
10x = 72 + -2

Combine like terms: 72 + -2 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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